Subject: Re: magic network message - please help
To: None <netbsd-users@NetBSD.org>
From: Ignatios Souvatzis <firstname.lastname@example.org>
Date: 06/27/2005 12:28:23
Content-Type: text/plain; charset=us-ascii
On Fri, Jun 24, 2005 at 02:56:35PM +0200, Ignatios Souvatzis wrote:
> On Thu, Jun 23, 2005 at 04:58:17PM -0400, Chuck Swiger wrote:
> > Wojciech Puchar wrote:
> > >could someone please translate this message into english?
> > >
> > >sip0: arp: link address is broadcast for IP address 0.80.252.206!
> > Your sip0 network interface saw traffic which came from an IP address w=
> > is supposed to be reserved for the (subnet) broadcast address. =20
> No. It says _link_ address is broadcast. Some machine out there is claimi=
> it's own Ethernet MAC is the Ethernet broadcast address (ff:ff:ff:ff:ff:f=
> Find that machine, and cut^Wdisconnect it's cable, fast, before it fries
> your network. Then analyze.
WP told me in a private message, that he only saw that message once.
In this case, it might be a bad contact occasionally inserting streams
of 1's, 0's, or 1-0 sequences together with an active network
component (e.g. switch) that's stupid enough not to throw away packets
with broken Ethernet CRC, but "intelligent" enough to regenerate the=20
CRC when forwarding.=20
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